io.linguarobot.aws.cdk.maven.node.WindowsNodeInstaller Maven / Gradle / Ivy

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The AWS CDK Maven plugin produces and deploys CloudFormation templates based on the cloud infrastructure defined by means of CDK. The goal of the project is to improve the experience of Java developers while working with CDK by eliminating the need for installing Node.js and interacting with the CDK application by means of CDK Toolkit.

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package io.linguarobot.aws.cdk.maven.node;

import io.linguarobot.aws.cdk.maven.process.ProcessRunner;
import org.apache.commons.compress.utils.IOUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.net.URL;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;

/**
 * Node.js installer for Windows.
 */
public class WindowsNodeInstaller extends AbstractNodeInstaller {

    private static final Logger logger = LoggerFactory.getLogger(WindowsNodeInstaller.class);

    private final ProcessRunner processRunner;

    public WindowsNodeInstaller(ProcessRunner processRunner, Path localRepositoryPath) {
        super(localRepositoryPath, "win", System.getenv("ProgramFiles(x86)") != null ? "x64" : "x86");
        this.processRunner = processRunner;
    }

    @Override
    protected void download(NodeVersion version, String os, String arch, Path destination) {
        String filename = String.join("-", "node", version.toString(), "win", arch) + ".zip";
        String downloadUrl = String.join("/", BASE_DOWNLOAD_URL, "dist", version.toString(), filename);
        logger.info("Downloading Node.js {} from {}", version, downloadUrl);
        try (
                BufferedInputStream in = new BufferedInputStream(new URL(downloadUrl).openStream());
                ZipInputStream zipInputStream = new ZipInputStream(in);
        ) {
            ZipEntry zipEntry;
            while ((zipEntry = zipInputStream.getNextEntry()) != null) {
                Path entryPath = Paths.get(zipEntry.getName());
                if (entryPath.getNameCount() > 1) {
                    Path path = destination.resolve(entryPath.subpath(1, entryPath.getNameCount()));
                    if (zipEntry.isDirectory()) {
                        Files.createDirectory(path);
                    } else {
                        try (OutputStream outputStream = new BufferedOutputStream(new FileOutputStream(path.toFile()))) {
                            IOUtils.copy(zipInputStream, outputStream);
                        }
                    }
                }
            }
        } catch (IOException e) {
            throw new NodeInstallationException(e);
        }
    }

    @Override
    protected NodeProcessRunner toNodeProcessRunner(Path homeDirectory) {
        Path node = homeDirectory.resolve("node.exe");
        Path npmBinDirectory = homeDirectory.resolve("node_modules/npm/bin");
        Path npmCli = npmBinDirectory.resolve("npm-cli.js");
        Path npxCli = npmBinDirectory.resolve("npx-cli.js");
        return new NodeProcessRunner(processRunner, homeDirectory, node, npmCli, npxCli);
    }

}